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(Model.)

G. W. KORN.

POCKET KNIFE HANDLE. I No. 306,840. Patented 001;. 21, 1884.

N PITERS, PhnmLimagmpmr, washingwn. D. C.

NITED STATES PATENT OrrronO GEORGE V. KORN, OF NEV YORK, N. Y.

POCKET-KNIFE. HANDLE.

.LJECIFICATON 'forming part of Letters Patent No. 306,840, dated October 21, 1884.

Application filed October Q5, lSIl.

Be it known that I, GEORGE NV. KORN, a citizen of the United States, residing at the city oi' New York, in the State of New York, have invented certain new and useful Iniprovenientsin Pocket-Knife Handles, ol which the following is a specification.

The nature and object of this invention is to provide a pocket -knife handle with a revolving disk having a single aperture therein, and locating` lthe same over a series of pictured lenses arranged in a circular' forni, whereby the eye rests upon a single lens only.

Figure l shows a plan view. Fig. 2 shows a sectional View through line x of Fig. l.

a au are pictured lenses grouped in a circle in the end of a knife-handle, which ismade longer sufficiently for this purpose than ordinarily. These lenses are placed in holes in the end oi' the knife-handle made for that purpose. At one side over the lenses a portion of' the handle is cnt away in circula-i` form,

(Model.)

revolves upon the central pin, d. In this is the single aperture or hole b. o is a slight projection on the disk to facilitate turningit. As the disk Cfis revolved the hole I) is made to register in turn with the various lenses a a a, thus exposing to the eye only a single lens. In this construction vseveral lenses can he grouped together at the end Vof the knife-han dle, and but one will he exposed to View, thus avoiding,` all confusion and mingling of views.

I claim- Asan article of manufacture, aknifehandle provided with a revolving disk having a single aperture therein, said disk being placed over a series oi' pictured lenses arranged in vcircular l'orni, as and for the purpose shown.

TEORGE W. KORN.

Witnesses:

J. P. McELRoY, F. J. GRTFFIN.

and wit-hin which is placed the disk C, which 

